Standard SP Series Clutch SP318S Series www.jbj.co.uk/mechanical-power-conversion.html #DriveLineHarmony The following general formula should be used for determining the actual applied load: L = Actual applied load kg (lbs) N = Shaft speed (rpm) D = Pitch diameter mm (inches) of pulley, etc. F = Load factor, 1.0 for chain or gear drive, 1.5 for timing belts, 2.5 for all V belts, 3.5 for flat belts. LF = 2.1 for reciprocating compressors and other severe shock drives and 1.8 for large inertia type drives (i.e. Crushers, chippers, planers, etc.) Compound Drives and Power Engaged Power Take-Off applications must have written factory review. S Dimension mm (in) Standard & Stretch Side Load Capacity Values SP318S 2100 rpm Max. Load kgs (lbs) 1800 rpm Max. Load kgs (lbs) 1500 rpm Max. Load kgs (lbs) 127.0 (5.0) 152.4 (6.0) 177.8 (7.0) 203.2 (8.0) 228.6 (9.0) 254.0 (10.0) 6849 (15100) 7530 (16600) 8346 (18400) 8528 (18800) 8029 (17700) 7212 (15900) 7167 (15800) 7893 (17400) 8754 (19300) 8936 (19700) 8391 (18500) 7530 (16600) 8119 (17900) 8890 (19600) 9888 (21800) 9979 (22000) 9389 (20700) 8414 (18550) "S" 401.32 (15.80) 867.41 (34.15) 803.15 (31.62) 36.58 (1.44) 12.70 (0.50) Support Plate Applied Load Dimensions are in mm (inches) 228.6 (9.0) 6532 (14400) 6804 (15000) 7620 (16800) (Imperial) L = x F x LF 126,000 x HP N x D (metric) L = x F x LF 1945010 x kW N x D 32
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